[IGSREPORT-2113] Wk 0823 GFZ Analysis Report

G.Gendt G.Gendt
Thu Oct 26 04:01:34 PDT 1995


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IGS Electronic Report    Thu Oct 26  4:01:34 PDT 1995      Message Number 2113
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Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0823 GFZ Analysis Report

Subject: Wk 0823 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0823 (DAYS 288-294, DATES 15-10-95 TO 21-10-95)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, Th. Nischan,
              W. Sommerfeld, G. Beeskow  
              GeoForschungsZentrum Potsdam (GFZ)
             
              Telegrafenberg A17, D-14473 Potsdam, Germany
              e-mail:gend at gfz-potsdam.de
              fax: (0331) 288 1111
              tel: (0331) 288 1114 

PRODUCT SUMMARY

FILES SENT TO IGN: 
______________________________________________________________________________
gfz08237.sum           this text file
gfz08237.erp           Earth rotation parameters 
gfz08237.snx           Weekly SINEX File 
gfz0823[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 823       DAYS   288 - 294 
_______________________________________________________________________________
  MJD      Xpole  Ypole  UT1R-TAI  LODR Xsig Ysig UTsig LODsig Nr Nf Nt
          10**-5" 10**-5"  usec    us/d    10**-5"   us  us/d
50005.500   8276   8876 -29251617  2316    2    2    0    3    46 16 25
50006.500   7862   8788 -29254076  2315    2    2    0    3    45 16 25
50007.500   7483   8710 -29256531  2303    2    2    0    3    48 17 25
50008.500   7093   8617 -29258977  2275    2    2    0    3    47 16 25
50009.500   6736   8517 -29261390  2182    2    2    0    3    47 17 25
50010.500   6528   8446 -29263703  2169    2    2    0    3    49 17 25
50011.500   6321   8446 -29266028  2178    2    2    0    3    48 17 25
--------------------------------------------------------------------------------




ORBITS REPEATABILITY (cm):
(mean component error rms =sqrt((xrms**2 + yrms**2 + zrms**2)/3) )


            DAY 1  (32 h)              DAY 2  (32 h)
   |------------------------|--------|                            
 
                            |------------------------|--------|

   Six-hour overlap:        |xxxxxx|


   (only rms < 120 are used for MEAN)

Note: E - indicates that the satellite is in eclipse

---------------------------------------------------
                 RMS for DAY
PRN  288    289    290    291    292    293    294
-------------------------------------------------------
 1    31     38     38     48     48     43     30  
 2    25     22     24     25     25     24     22  
 4    21     16     19     25     28     21     23  
 5    16     16     16     16     18     20     17  
 6    30 E   39 E   44 E   26 E   29 E   24 E   27  
 7    30 E   34 E   32 E   34     41     48     37  
 9    21     20     21     28     24     29     21  
12    19     20     19     17     26     25     23  
14    19     17     13     16     17     12     14  
15    16     12     13     16     14     14     16  
16    19     16     17     14     23     17     13  
17    18     19     16     15     18     15     16  
18    24     25     20     20     21     23     22  
19    30     25     30     28     30     25     24  
20    19     19     17     24     16     21     19  
21    25     23     23     19     19     23     21  
22    20     17     14     18     20     19     17  
23    24     24     30     13     28     23     26  
24    15     14     15     20     17     15     15  
25    29     30     40     33     49     34     39  
26     -     20     22     39     21     17     20  
27    29     24     26     29     28     26     24  
28    27 E   25 E   24 E   21 E   19     21     17  
29    20     17     18     20     20     17     20  
31    15 E   18 E   16 E   18     20     22     16  
 
MEAN  23     23     24     25     26     25     22
---------------------------------------------------

REMARKS:



                 
CLOCK ESTIMATION:  ALGO was used as time reference



STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 6 minutes         
                                                          
 IGS  INTERNAL         OBSERVATIONS for DAY (32-hour arcs used)
 CODE  STA#               288  289  290  291  292  293  294
----------------------------------------------------
onsa  105001   I'93      1594 1622 1593 1641 1654 1635 1635
kosg  110001 F I'93      1650 1638 1589 1601 1656 1670 1622
madr  120001 F I'93      1576 1582 1557 1550 1516 1574 1548
mate  130001 F I'93      1467 1467 1554 1615 1709 1692 1699
nyal  140001   I'93       675 1742 1720 1734 1761 1757 1731
trom  150001 F I'93       520    0  146    0 1042 1582 1625
wetb  160001 F I'93      1665 1675 1453 1561 1672 1672 1694
pots  165001             1647 1645 1586 1582 1632 1530 1649
mets  180001   I'93      1617 1608 1593 1605 1264  501 1611
zwen  190001              368 1537 1558 1555 1553 1545 1571
usud  200002             1595 1583 1624 1632 1644 1629 1643
tskb  205001             1765 1750 1747 1770 1775 1763 1775
taiw  220001 F           1680 1678 1652 1636 1696 1711 1690
kit3  235101             1699 1679 1647 1691 1691 1704 1728
lhas  240001             1472 1402 1609 1674 1655 1679 1409
irkt  280001             1720 1694 1666 1696 1697 1685 1710
tidb  305002 F I'93      1672 1656 1652 1585 1637 1701 1714
yar1  310001 F I'93      1235 1533 1571 1605 1647 1647 1645
hob2  321001             1709 1615 1645 1706 1666 1689 1708
mac1  330002             1383 1329  993   77   77  283 1044
algo  400003 F I'93      1686 1678 1672 1694 1695 1709 1725
stjo  405003   I'93      1709 1692 1699 1728 1718 1687 1725
wes2  408001   I'93      1586 1605 1612 1646 1649 1671 1702
nlib  409001   I'93      1608 1618 1619 1629 1660 1648 1647
gold  410001 F I'93      1574 1521 1564 1569 1615 1587 1702
jplm  415001   I'93       211    0  706 1671 1696 1702 1718
mdo1  418001             1650 1653 1652 1667 1680 1696 1683
fair  420001 F I'93      1692 1679 1596 1570 1676 1735 1732
yell  470004 F I'93      1701 1650 1641 1566 1531 1589 1574
drao  475003   I'93      1708 1705 1701 1723 1739 1735 1721
rcm5  482001 F           1616 1622 1637 1644 1638 1662 1673
brmu  485001   I'93      1626 1621 1647 1662 1704 1664 1662
thu1  490001             1551 1661 1960 1998 1890 1557 1536
sant  500001 F I'93      1427 1403 1359 1373 1383 1394 1416
kour  510001   I'93      1607 1533 1506 1561 1583 1604 1581
fort  520001             1498 1137 1566 1613 1592 1566 1588
areq  530002             1706 1696 1707 1695 1673 1305    0
lpgs  564301                0    0  397 1259    0  397 1692
hart  600002 F I'93      1404 1371 1381 1410 1413 1439 1422
mas1  610101 F           1248 1299 1165  961  856  507 1096
sey1  620001                0    0    0    0    0  387 1612
kokb  700001 F I'93         0  289  662  773 1174 1669 1723
pama  710001   I'93      1618 1573 1599 1591 1662 1647 1603
guam  730001             1591 1557 1564 1617 1611 1595 1601
mcm4  800201             1718 1702 1697 1679 1687 1695 1684
dav1  810001              949 1058 1003  946  150  290  703
cas1  820001             1328 1297 1210 1260 1210 1185 1156
ohig  830001             1247  545  861  526  523 1016 1075
kerg  850001             1645 1590 1522 1593 1615 1584 1606
Note: F    - indicates a constrained fiducial site ( to 1-2 mm )
      I'93 - indicates that initial station coordinates are from ITRF'93



SATELLITE STATISTICS

                OBSERVATIONS for DAY (32-hour arcs used)

PRN     288  289  290  291  292  293  294
------------------------------------------
  1    2578 2698 2721 2682 2642 2694 2970
  2    2437 2491 2573 2565 2538 2544 2704
  4    2749 2782 2786 2764 2772 2806 3027
  5    2610 2569 2639 2800 2682 2753 2782
  6    2814 2735 2817 2839 2670 2846 2971
  7    2492 2469 2522 2818 2757 2752 2910
  9    2626 2568 2679 2709 2637 2736 2952
 12    1993 2087 2212 2195 2219 2190 2309
 14    2518 2622 2828 2787 2733 2697 2670
 15    2650 2755 2819 2803 2771 2668 2905
 16    2777 2851 2920 2966 2984 2999 3158
 17    2831 2862 3010 3033 2850 3010 3143
 18    2701 2891 3003 3039 3025 2919 3080
 19    2829 2279 2311 3002 3051 3027 3198
 20    2774 2685 2763 2834 2732 2792 2973
 21    2583 2627 2767 2752 2629 2634 2883
 22    3194 3296 3273 3280 3331 3405 3538
 23    2711 2764 2870 2850 2801 2868 3034
 24    2868 2941 3014 3034 2945 2980 3070
 25    3069 3069 3162 3003 2941 3096 3323
 26    2769 2770 2389 2211 2846 2958 3189
 27    2803 2825 2992 3008 2917 2984 3147
 28    2648 2735 2940 3036 3090 3227 3333
 29    2711 2801 2894 2896 2874 2791 3057
 31    2878 3018 3156 3234 3230 3195 3483
-----------------------------------------




REPEATABILITY OF STATION COORDINATE SOLUTIONS
  by Residuals of Helmert-transformation  (units:mm)

YEAR: 95 DAYS: 288 to 294
      U,u: used for parameter determination in Helmert-transformation
      N,n: not used  
           [ u,n: deleted for repeatability computation   (2.5*sigma) ] 

 SITE  _____REPEATABILITY_____   NUMB REMARK WEEKDAY
           UP    NORTH    EAST               1234567
--------------------------------------------------------------------------------
 ALGO      0.2     0.3     0.3   4000  FIXED UUUUUUU
 AREQ      2.8     1.5     5.0   5300        NNNNNN.
 BRMU      6.8     3.5     8.7   4850        NNNNNNN
 CAS1     12.3     5.6     5.8   8200        NNNNNNN
 DAV1     61.4    14.4    12.7   8100        NNNNNNN
 DRAO      3.7     1.3     3.0   4750        NNNNNNN
 FAIR      0.2     0.3     0.2   4200  FIXED UUUUUUU
 FORT     11.4     3.0     4.7   5200        NNNNNNN
 GOLD      0.2     0.2     0.2   4100  FIXED UUUUUUU
 GUAM     13.2     2.9     7.5   7300        NNNNNNN
 HART      0.5     0.7     0.9   6000  FIXED UUUNUUN
 HOB2      6.0     1.2     3.1   3210        NNNNNNN
 IRKT     10.9     4.5     2.1   2800        NNNNNNN
 JPLM     10.9     2.0    11.2   4150        N.NNNNN
 KERG     14.3     3.3     6.4   8500        NNNNNNN
 KIT3      8.0     3.3     4.8   2351        NNNNNNN
 KOKB      0.3     0.3     0.7   7000  FIXED .UUUUUU
 KOSG      0.1     0.2     0.3   1100  FIXED UUUUUUU
 KOUR     10.9     2.9     7.3   5100        NNNNNNN
 LHAS      9.0     2.4     5.4   2400        NNNNNNN
 LPGS     26.9     4.7     4.7   5643        ..NN.NN
 MAC1     64.0    26.2    14.6   3300        NNNNNNN
 MADR      0.2     0.3     0.3   1200  FIXED UUUUUUU
 MAS1      0.3     0.4     0.5   6101  FIXED UUUUUUU
 MATE      0.1     0.3     0.4   1300  FIXED UUUUUUU
 MCM4     10.2     7.4     2.7   8002        NNNNNNN
 MDO1      4.8     1.0     4.7   4180        NNNNNNN
 METS      3.2     3.8     3.6   1800        NNNNNNN
 NLIB      7.3     1.6     3.7   4090        NNNNNNN
 NYAL      8.2     5.0     5.1   1400        NNNNNNN
 OHIG     11.7    10.5     8.9   8300        NNNNNNN
 ONSA      2.3     2.3     4.6   1050        NNNNNNN
 PAMA     24.5     7.7    11.1   7100        NNNNNNN
 POTS      2.7     0.9     1.9   1650        NNNNNNN
 RCM5      0.2     0.3     0.5   4820  FIXED UUUUUUU
 SANT      0.1     0.3     0.1   5000  FIXED UUUUUUU
 SEY1     69.9     2.6    27.3   6200        .....NN
 STJO      5.6     2.2     4.2   4050        NNNNNNN
 TAIW      0.1     0.2     0.6   2200  FIXED UUUUUUU
 THU1      7.2     0.9     3.8   4900        NNNNNNN
 TIDB      0.2     0.4     0.3   3050  FIXED UUUUUUU
 TROM      0.7     0.8     0.4   1500  FIXED N.N.UUN
 TSKB      9.8     2.1     4.0   2050        NNNNNNN
 USUD     11.3     4.0     2.8   2000        NNNNNNN
 WES2      4.0     1.5     8.4   4080        NNNNNNN
 WETT      0.2     0.2     0.2   1600  FIXED UUUUUUU
 YAR1      0.3     0.3     0.4   3100  FIXED UUUUUUU
 YELL      0.1     0.3     0.1   4700  FIXED UUUUUUU
 ZWEN      8.9     1.5     2.8   1900        NNNNNNN
--------------------------------------------------------------------------------


SOLUTION CHARACTERISTICS

1. Software used :   EPOS.P.V2
2. Definition of Terrestrial Reference Frame
     Fiducial-free adjustment of all station coordinates.
     These  coordinates are then fixed in the determination of ERPs and ORBITS
 
3. Data used:
   - undifferenced carrier phases
   - 32 h arc solutions   

5. Adjusted parameters:
   - state vector of all satellites
   - coordinate corrections 
   - daily ERPs
   - tropospheric zenith path delay (4 h)
   - y-bias, solar radiation scaling factor
   - ambiguities
   - STA and SV clock parameters of each observation epoch
    


[Mailed From: igs at gfz-potsdam.de (Thomas Mr. igs)]



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